'use strict';
var number_map_to_word_over_26 = function(collection){
  let result = collection.map(function(i){
    if(i<=26)
    {
     return String.fromCharCode(i+96);
    }
    else
    {
     return String.fromCharCode((i/26)+96)+String.fromCharCode((i%26)+96);
    }
  });
  return result;
};

module.exports = number_map_to_word_over_26;
